DISCLOSEABLE TRANSACTION IN RELATION TO DISPOSALS OF NOTES

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.China Industrial Securities International Financial Group Limited兴证国际金融集团有限公司 (Incorporated in the Cayman Islands with limited liability) (Stock Code: 6058) DISCLOSEABLE TRANSACTION IN RELATION TO DISPOSALS OF NOTES THE DISPOSALS The Board announces that on 13 June 2024 and 3 July 2024 respectively CISI Investment has disposed of the Notes in an aggregate principal amount of US$8000000 (equivalent to approximately HK$62800000) at a total consideration of approximately US$7970292 (equivalent to approximately HK$62566790) on the open market.LISTING RULES IMPLICATIONS All of the applicable percentage ratios under Rule 14.07 of the Listing Rules in respect of the Disposal on a stand-alone basis do not exceed 5% but one of the applicable percentage ratios under Rule 14.07 of the Listing Rules in respect of the Disposals when aggregated with the Previous Disposal exceeds 5% but is less than 25% the Disposals constitute a discloseable transaction of the Company and are subject to the reporting and announcement requirements but exempt from the Shareholders’ approval requirement under Chapter 14 of the Listing Rules.The Board announces that on 13 June 2024 and 3 July 2024 respectively CISI Investment has disposed of the Notes in an aggregate principal amount of US$8000000 (equivalent to approximately HK$62800000) at a total consideration of approximately US$7970292 (equivalent to approximately HK$62566790) on the open market.THE DISPOSALS Details of the Disposals of Notes are set out below: Date : 13 June 2024 and 3 July 2024 Seller : CISI Investment Issuer : Tianfeng Securities Co. Ltd. (天风证券股份有限公司) 1Aggregate Principal Amount : US$8000000 (equivalent to approximately of the Notes Being Disposed HK$62800000) of Total Consideration : Approximately US$7970292 (equivalent to approximately HK$62566790) Maturity Date of the Notes : 5 March 2026 Coupon Rate : Fixed rate 6.50% per annum Listing : The Notes were listed on the Stock Exchange INFORMATION OF THE COUNTERPARTY As the Disposals were conducted on the open market the identity of the purchaser(s) of the Notes cannot be ascertained. To the best knowledge information and belief of the Directors having made all reasonable enquiries none of the connected persons of the Company nor their associates has purchased the Notes which were being disposed of by CISI Investment under the Disposals.INFORMATION OF THE ISSUER According to the public information available to the Directors the Issuer is a company incorporated in the PRC with limited liability the shares of which are listed on the Shanghai Stock Exchange (Stock code: 601162). The Issuer has developed a comprehensive business that covers a wide range of financial products and services and investment management and trading capabilities including research investment banking asset management proprietary trading securities brokerage private equity futures and overseas business. The Issuer had a diversified shareholding structure with several major shareholders. Hubei Hongtai Group Co. Ltd. (湖北宏泰集团有限公司) directly holds 14.84% of the total outstanding shares of the Issuer and is its controlling shareholder and the Department of Finance of Hubei Province of the PRC (中国湖北省财政厅) is its ultimate beneficial controller.As at the date of this announcement to the best of the knowledge information and belief of the Directors having made all reasonable enquiries the Issuer and its respective ultimate beneficial owners are Independent Third Parties.BASIS OF DETERMINATION OF THE CONSIDERATION Since the Disposals were conducted on the open market at the prevailing market price the Directors consider that the Disposals are on normal commercial terms and its terms including the consideration are fair and reasonable.INFORMATION OF THE GROUP The Group is principally engaged in the provision of brokerage services margin financing services corporate finance services asset management services and financial products and investments.REASONS AND BENEFITS FOR THE DISPOSALS The investment strategy of the Group is among others to generate stable return to the Group within 2an acceptable risk level by investing in a broad diversification of portfolio including but not limited to stocks bonds funds structured products and derivatives in different business sectors to broaden its revenue streams and to seek sustainable business which increase value for its shareholders. In addition the Group has sought an opportunity to balance and diversify its investment portfolio when opportunities arose and would from time to time realise its investment which to do so will be in the best interests of the Group.The Disposals were in line with the Group’s principal activities on financial products and investments.Having consider the performance of the price of the Notes the Board is of the opinion that the Disposals represent a good opportunity for the Group to exit the investment in the Notes. Taking intoaccount the financial effect of the Disposals as disclosed in the paragraph headed “Financial Effectof the Disposals” below the Board is of the view that the Disposals are fair and reasonable and in the interests of the Company and the Shareholders as a whole.FINANCIAL EFFECT OF THE DISPOSALS The Group recorded a loss of approximately US$66507 (equivalent to approximately HK$522082) being the difference between the acquisitions cost of the Notes and the proceeds received from the Disposals. The actual amount of gain or loss as a result of the Disposals to be recorded by the Group will be subject to review and final audit by the auditors of the Company.INTENDED USE OF PROCEEDS The Company intends that the proceeds of the Disposals of approximately US$7970292 (equivalent to approximately HK$62566790) will be applied towards the Group’s general working capital. The Company may also apply the proceeds for new investment should any suitable investment opportunities arise.LISTING RULES IMPLICATIONS All of the applicable percentage ratios under Rule 14.07 of the Listing Rules in respect of the Disposal on a stand-alone basis do not exceed 5% but one of the applicable percentage ratios under Rule 14.07 of the Listing Rules in respect of the Disposals when aggregated with the Previous Disposal exceeds 5% but is less than 25% the Disposals constitute a discloseable transaction of the Company and are subject to the reporting and announcement requirements but exempt from the Shareholders’ approval requirement under Chapter 14 of the Listing Rules.DEFINITIONS In this announcement unless the context requires otherwise the following expressions shall have the meanings set out below: “associate(s)” has the meaning ascribed to it under the Listing Rules “Board” the board of Directors “Company” China Industrial Securities International Financial Group Limited a company incorporated in the Cayman Islands with limited liability whose issued shares are listed on the Main Board of the Stock Exchange (stock code: 6058) 3“CISI Investment” CISI Investment Limited a company incorporated in the British Virgin Islands with limited liability and an indirect wholly-owned subsidiary of the Company. Its principal business is investment “connected person” has the meaning ascribed to it under the Listing Rules “Director(s)” the director(s) of the Company “Disposal” the Disposal of the Notes in a principal amount of US$5000000 (equivalent to approximately HK$39250000) at a consideration of approximately US$5012542 (equivalent to approximately HK$39348452) by CISI Investment on the open market on 3 July 2024. “Disposals” the Disposal and the Previous Disposal “Group” the Company and its subsidiaries “HK$” Hong Kong dollars the lawful currency of Hong Kong “Hong Kong” the Hong Kong Special Administrative Region of the PRC“Independent Third third party(ies) independent of and not connected with the CompanyParty(ies)” and its connected persons “Issuer” Tianfeng Securities Co. Ltd. ( 天风证券股份有限公司 ) information of which is stated in the section headed “INFORMATION OF THE ISSUER” in this announcement “Listing Rules” the Rules Governing the Listing of Securities on the Stock Exchange “Notes” US$340000000 6.50% fixed rate notes due 2026 issued by the Issuer information of the which is stated in the section headed “INFORMATION OF THE ISSUER” of this announcement “PRC” the People’s Republic of China “Previous Disposal” the disposal of the Notes in a principal amount of US$3000000 (equivalent to approximately HK$23550000) at a consideration of approximately US$2957750 (equivalent to approximately HK$23218338) by CISI Investment on 13 June 2024 on the open market.“Shareholder(s)” Registered holder(s) of the shares of the Company “Stock Exchange” The Stock Exchange of Hong Kong Limited “US$” United States dollars the lawful currency of the United States of America “%” per cent. 4In this announcement amounts in US$ are translated into HK$ on the basis of US$1.00 = HK$7.85. The conversion rate is for illustration purposes only and should not be taken as a representation that US$ could actually be converted into HK$ at such rate or at all.By Order of the Board China Industrial Securities International Financial Group Limited Xiong Bo Chairman Hong Kong 3 July 2024 As at the date of this announcement the Board comprises one non-executive Director namely Mr. Xiong Bo (Chairman) one executive Director namely Ms. Zhang Chunjuan and three independent non-executive Directors namely Ms. Hong Ying Mr. Tian Li and Mr. Qin Shuo. 5